/Engine/Plugins/Runtime/StateTree/Source/StateTreeModule/Public/StateTreeExecutionTypes.h
TStateTreeExternalDataHandleExampleSubsystemHandle; }
template<typename T, [EStateTreeExternalDataRequirement](API\Plugins\StateTreeModule\EStateTreeExternalDataRequiremen-) Req> struct TStateTreeExternalDataHandle : public [FStateTreeExternalDataHandle](API\Plugins\StateTreeModule\FStateTreeExternalDataHandle)